Positioning device for the welding of automotive panels

Abstract

The utility model discloses a positioning device for automobile sheet material welding, including the bottom plate, the upper surface one side of bottom plate is provided with the support station, the upper surface four corners of support station all are provided with the lug, and every two opposite distribution's lug all is provided with the clamping structure, the right -hand member of support station is provided with the side plate, the upper surface of bottom plate is located at the left end of support station and is provided with the abutting structure, the upper surface of bottom plate is located at the middle part of support station back side and is provided with the pressure structure. The utility model discloses through the cooperation between clamping structure, pressure structure and abutting structure, can realize the limit fixing of two automobile sheet material formation before and after, up and down, left and right six directions, guarantees in the welding process, and automobile sheet material will not move at will, thereby guarantees the welding quality, and the practicality is strong.

Description

Technical Field

[0001] This utility model belongs to the field of automotive sheet metal welding technology, and in particular relates to a positioning device for welding automotive sheet metal. Background Technology

[0002] The components that make up a car body are roughly divided into panel components, structural components, running gear components, and reinforcing components. These components correspond to different application requirements and have different performance characteristics. Automotive steel sheets are classified into hot-rolled steel sheets, cold-rolled steel sheets, and coated steel sheets based on their production process characteristics; from the perspective of strength, they can be classified into: ordinary steel sheets (soft steel sheets), low-alloy high-strength steel sheets, ordinary high-strength steel sheets, and advanced high-strength steel sheets, etc. When welding automotive sheet metal, a welding platform is used to position the welded parts.

[0003] Existing welding platforms can only limit and fix the workpiece in two directions when clamping it, which makes the plate material prone to displacement during the welding process, resulting in welding errors and requiring repeated adjustments, thus greatly reducing work efficiency. Utility Model Content

[0004] The purpose of this utility model is to provide a positioning device for welding automotive sheet metal, so as to solve the technical problems mentioned in the background art.

[0005] To achieve the above objectives, the specific technical solution of this utility model is as follows: A positioning device for welding automotive sheet metal includes a base plate. A support platform is provided on one side of the upper surface of the base plate. Protrusions are provided at the four corners of the upper surface of the support platform, and a clamping structure is provided between every two oppositely distributed protrusions. A side plate is provided at the right end of the support platform. A pressing structure is provided on the upper surface of the base plate at the left end of the support platform. A pressure structure is provided on the upper surface of the base plate at the middle part of the rear side of the support platform. The clamping structure includes a fixing plate, the bottom of which is fixedly connected to the upper surface of the base plate. The surface of the fixing plate is provided with a threaded hole, and a lead screw is threaded into the threaded hole. The right end of the lead screw is rotatably connected to a clamping block through a bearing. The clamping structure includes a boss, the bottom of which is fixedly connected to the upper surface of the base plate. A stud is provided at the middle part of the top of the boss. A U-shaped plate is fitted on the stud, and a nut is threadedly connected to the stud above the U-shaped plate. Clamping blocks are provided at both ends of the U-shaped plate.

[0006] Preferably, the clamping structure includes a bidirectional lead screw, and grooves are provided on the upper surfaces of both ends of the support platform. The bidirectional lead screw is disposed in the groove and rotatably connected to the groove through a bearing. Two symmetrically distributed threaded blocks are threadedly connected to the bidirectional lead screw. The top ends of the two threaded blocks extend to the top of the groove and are provided with clamping blocks. One end of the bidirectional lead screw extends to the outside of the groove and is provided with a knob.

[0007] Preferably, a trapezoidal block is provided at the bottom of the threaded block, and a trapezoidal groove is provided on the bottom inner wall of the groove, which is parallel to the bidirectional lead screw. The trapezoidal block and the trapezoidal groove are slidably connected.

[0008] Preferably, a spring is fitted onto the lead screw, and the spring is located between the fixed plate and the abutment block.

[0009] Preferably, two sliding rods are provided between the fixing plate and the support platform, and two sliding holes that are slidably connected to the sliding rods are provided on the vertical section surface of the abutment block.

[0010] Preferably, the clamping block has an L-shaped structure, and a knob is provided at the end of the lead screw away from the clamping block.

[0011] The positioning device for welding automotive sheet metal according to this utility model has the following advantages:

[0012] This invention, through the cooperation of clamping, pressing, and abutting structures, achieves six-directional (front-back, up-down, left-right) positioning and fixation of two automotive sheet metals. This ensures that the sheet metals do not move arbitrarily during welding, thereby guaranteeing welding quality. It is highly practical; by restricting the six degrees of freedom of the sheet metal, it eliminates positional deviations caused by vibration, impact, or external interference, ensuring that the automotive sheet metal remains in the predetermined position during welding. This avoids dimensional errors caused by inaccurate positioning. Furthermore, the simultaneous constraint in six directions forms a rigid support system, effectively reducing vibration and deformation of the automotive sheet metal during welding. The excellent positioning effect also reduces the need for repeated adjustments to the clamping of the automotive sheet metal, lowering operational complexity and improving work efficiency. Attached Figure Description

[0013] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 for Figure 1 Top view;

[0016] Figure 3 for Figure 1 The right view;

[0017] Figure 4 This is a schematic diagram of the clamping structure in this utility model.

[0018] The markings in the diagram are as follows: 1. Base plate; 2. Support platform; 3. Protrusion; 4. Clamping structure; 5. Side plate; 6. Abutment block; 7. Fixing plate; 8. Lead screw; 9. Spring; 10. Slide rod; 11. U-shaped plate; 12. Pressing block; 13. Stud; 14. Nut; 15. Groove; 16. Double-acting lead screw; 17. Clamping block; 18. Boss; 19. Threaded block; 20. Trapezoidal block. Detailed Implementation

[0019] In the following description, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments can be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and description are considered to be exemplary in nature and not restrictive.

[0020] In the description of the embodiments of this utility model, it should be understood that the terms "length", "vertical", "horizontal", "top", "bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this utility model.

[0021] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of embodiments of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0022] In this embodiment of the invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a communication connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment of the invention according to the specific circumstances.

[0023] The following disclosure provides many different implementations or examples for different structures of the embodiments of the present invention. To simplify the disclosure of the embodiments of the present invention, specific examples of components and arrangements are described below. Of course, these are merely examples and are not intended to limit the embodiments of the present invention. Furthermore, reference numerals and / or reference letters may be repeated in different examples of the embodiments of the present invention; such repetition is for simplification and clarity and does not in itself indicate a relationship between the various implementations and / or arrangements discussed.

[0024] To better understand the purpose, structure, and function of this utility model, the following detailed description of a positioning device for welding automotive sheet metal is provided in conjunction with the accompanying drawings.

[0025] like Figure 1-4 As shown, this utility model discloses a positioning device for welding automotive sheet metal, comprising a base plate 1, a support platform 2 on one side of the upper surface of the base plate 1, protrusions 3 at the four corners of the upper surface of the support platform 2, and a clamping structure 4 between every two oppositely distributed protrusions 3. The clamping structure 4 includes a bidirectional lead screw 16. Grooves 15 are provided on the upper surfaces of both ends of the support platform 2. The bidirectional lead screw 16 is disposed in the grooves 15 and rotatably connected to the grooves 15 through bearings. Two symmetrically distributed threaded blocks 19 are threadedly connected to the bidirectional lead screw 16. The top ends of the two threaded blocks 19 extend above the grooves 15 and are provided with clamping blocks 17. One end of the bidirectional lead screw 16 extends to the outside of the grooves 15 and is provided with a knob. By rotating the knob, the bidirectional lead screw 16 rotates, thereby causing the two threaded blocks 19 to drive the two clamping blocks 17 to move in opposite directions simultaneously, thereby clamping and fixing the automotive sheet metal placed between the two clamping blocks 17. The operation is simple and convenient. The bottom of the threaded block 19 is provided with a trapezoidal block 20, and the bottom inner wall of the groove 15 is provided with a trapezoidal groove that is parallel to the bidirectional lead screw 16. The trapezoidal block 20 is slidably connected with the trapezoidal groove. Through the cooperation between the trapezoidal block 20 and the trapezoidal groove, the threaded block 19 is limited, making the movement of the threaded block 19 more stable and reliable.

[0026] A side plate 5 is provided at the right end of the support platform 2. A clamping structure is provided on the upper surface of the base plate 1 at the left end of the support platform 2. The clamping structure includes a fixed plate 7, the bottom of which is fixedly connected to the upper surface of the base plate 1. A threaded hole is provided on the surface of the fixed plate 7, and a lead screw 8 is threaded into the threaded hole. A clamping block 6 is rotatably connected to the right end of the lead screw 8 via a bearing. A spring 9 is sleeved on the lead screw 8 and is located between the fixed plate 7 and the clamping block 6. Two sliding rods 10 are provided between the fixed plate 7 and the support platform 2. Two sliding holes are provided on the vertical section surface of the clamping block 6, which are slidably connected to the sliding rods 10. The sliding rods 10 and the sliding holes provide a good limiting effect for the clamping block 6. The clamping block 6 has an L-shaped structure. A knob is provided at the end of the lead screw 8 away from the clamping block 6, which facilitates the rotation of the lead screw 8. Since the clamping block 6 has an L-shaped structure, it is beneficial for the horizontal end of the clamping block 6 to contact the end of the automotive sheet metal.

[0027] A clamping structure is provided on the upper surface of the base plate 1 at the middle part of the rear side of the support platform 2. The clamping structure includes a boss 18. The bottom of the boss 18 is fixedly connected to the upper surface of the base plate 1. A stud 13 is provided at the middle part of the top of the boss 18. A U-shaped plate 11 is sleeved on the stud 13. A nut 14 is threadedly connected to the stud 13 above the U-shaped plate 11. A clamping block 12 is provided at both ends of the U-shaped plate 11. The U-shaped plate 11 can slide up and down with the stud 13 and can rotate with the axis of the stud 13 as the center.

[0028] The working principle of this positioning device for welding automotive sheet metal is as follows: In use, two automotive sheet metals to be welded together are placed on the support platform 2, with each sheet positioned between two clamping blocks 17 of the two clamping structures 4. The right end of the sheet metal on the right side is in contact with the side plate 5, ensuring close contact between the two sheet metals. Then, the knobs on the two clamping structures 4 are rotated, causing the bidirectional lead screw 16 to rotate, thereby clamping and fixing the two sides of the two sheet metals with the two clamping blocks 17. Finally, by moving the U-shaped plate 11, the bottoms of the two pressing blocks 12 on the U-shaped plate 11 are respectively aligned with the two automotive sheet metals. The upper surface of the sheet metal contacts the nut 14 on the stud 13, so that the nut 14 presses and fixes the U-shaped plate 11. This allows the clamping block 12 to press and fix the two car sheet metals. Finally, by turning the knob on the screw 8, the screw 8 pushes the abutment block 6 to move to one side of the support platform 2, so that the abutment block 6 contacts the left end of the car sheet metal on the left side. This, together with the side plate 5, presses and fixes the two car sheet metals together. This achieves six-directional limiting and fixing of the two car sheet metals in the up, down, front, back, left and right directions, ensuring that the car sheet metals will not move at will during the welding process, thus ensuring the welding quality and strong practicality.

[0029] It is understood that this utility model has been described through some embodiments, and those skilled in the art will recognize that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of this utility model. Furthermore, under the teachings of this utility model, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the protection scope of this utility model.

Claims

1. A positioning device for welding automotive sheet metal, characterized in that: The system includes a base plate (1), a support platform (2) on one side of the upper surface of the base plate (1), protrusions (3) at the four corners of the upper surface of the support platform (2), and a clamping structure (4) between every two oppositely distributed protrusions (3). A side plate (5) is provided at the right end of the support platform (2). A pressing structure is provided at the left end of the support platform (2) on the upper surface of the base plate (1), and a pressing structure is provided at the middle part of the upper surface of the base plate (1) at the rear side of the support platform (2). The clamping structure includes a fixing plate (7), the bottom of the fixing plate (7) is fixedly connected to the upper surface of the base plate (1), the surface of the fixing plate (7) is provided with a threaded hole, a screw rod (8) is threadedly connected in the threaded hole, and the right end of the screw rod (8) is rotatably connected to a clamping block (6) through a bearing. The clamping structure includes a boss (18), the bottom of which is fixedly connected to the upper surface of the base plate (1). A stud (13) is provided at the middle of the top of the boss (18). A U-shaped plate (11) is fitted on the stud (13), and a nut (14) is threaded on the stud (13) above the U-shaped plate (11). Clamping blocks (12) are provided at both ends of the U-shaped plate (11).

2. The positioning device for welding automotive sheet metal according to claim 1, characterized in that: The clamping structure (4) includes a bidirectional lead screw (16). The upper surfaces of both ends of the support platform (2) are provided with grooves (15). The bidirectional lead screw (16) is located in the groove (15) and is rotatably connected to the groove (15) through a bearing. The bidirectional lead screw (16) is threaded with two symmetrically distributed threaded blocks (19). The tops of the two threaded blocks (19) extend to the top of the groove (15) and are provided with clamping blocks (17). One end of the bidirectional lead screw (16) extends to the outside of the groove (15) and is provided with a knob.

3. A positioning device for welding automotive sheet metal according to claim 2, characterized in that: The bottom of the threaded block (19) is provided with a trapezoidal block (20), and the bottom inner wall of the groove (15) is provided with a trapezoidal groove that is parallel to the bidirectional lead screw (16). The trapezoidal block (20) is slidably connected to the trapezoidal groove.

4. A positioning device for welding automotive sheet metal according to claim 1, characterized in that: A spring (9) is fitted on the lead screw (8), and the spring (9) is located between the fixed plate (7) and the abutment block (6).

5. A positioning device for welding automotive sheet metal according to claim 1, characterized in that: Two sliding rods (10) are provided between the fixed plate (7) and the support platform (2), and two sliding holes that are slidably connected to the sliding rods (10) are provided on the vertical section surface of the abutting block (6).

6. A positioning device for welding automotive sheet metal according to claim 1, characterized in that: The clamping block (6) has an L-shaped structure, and a knob is provided at the end of the lead screw (8) away from the clamping block (6).

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